Moving all the incident reporting stuff to a common folder

chrome/browser/safe_browsing/last_download_finder.cc

Index: chrome/browser/safe_browsing/last_download_finder.cc
diff --git a/chrome/browser/safe_browsing/last_download_finder.cc b/chrome/browser/safe_browsing/last_download_finder.cc
deleted file mode 100644
index d0e1c2f17a3fb958f5e7e3e290c97da1e96a001f..0000000000000000000000000000000000000000
--- a/chrome/browser/safe_browsing/last_download_finder.cc
+++ /dev/null
@@ -1,257 +0,0 @@
-// Copyright 2014 The Chromium Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style license that can be
-// found in the LICENSE file.
-
-#include "chrome/browser/safe_browsing/last_download_finder.h"
-
-#include <algorithm>
-#include <functional>
-#include <utility>
-
-#include "base/bind.h"
-#include "base/macros.h"
-#include "base/prefs/pref_service.h"
-#include "chrome/browser/browser_process.h"
-#include "chrome/browser/chrome_notification_types.h"
-#include "chrome/browser/history/history_service.h"
-#include "chrome/browser/history/history_service_factory.h"
-#include "chrome/browser/profiles/profile_manager.h"
-#include "chrome/common/pref_names.h"
-#include "chrome/common/safe_browsing/csd.pb.h"
-#include "chrome/common/safe_browsing/download_protection_util.h"
-#include "content/public/browser/download_item.h"
-#include "content/public/browser/notification_details.h"
-#include "content/public/browser/notification_service.h"
-#include "content/public/browser/notification_source.h"
-
-namespace safe_browsing {
-
-namespace {
-
-// Returns true if |first| is more recent than |second|, preferring opened over
-// non-opened for downloads that completed at the same time (extraordinarily
-// unlikely). Only files that look like some kind of executable are considered.
-bool IsMoreInterestingThan(const history::DownloadRow& first,
-                           const history::DownloadRow& second) {
-  if (first.end_time < second.end_time)
-    return false;
-  // TODO(grt): Peek into archives to see if they contain binaries;
-  // http://crbug.com/386915.
-  if (!download_protection_util::IsBinaryFile(first.target_path) ||
-      download_protection_util::IsArchiveFile(first.target_path)) {
-    return false;
-  }
-  return (first.end_time != second.end_time ||
-          (first.opened && !second.opened));
-}
-
-// Returns a pointer to the most interesting completed download in |downloads|.
-const history::DownloadRow* FindMostInteresting(
-    const std::vector<history::DownloadRow>& downloads) {
-  const history::DownloadRow* most_recent_row = NULL;
-  for (size_t i = 0; i < downloads.size(); ++i) {
-    const history::DownloadRow& row = downloads[i];
-    // Ignore incomplete downloads.
-    if (row.state != content::DownloadItem::COMPLETE)
-      continue;
-    if (!most_recent_row || IsMoreInterestingThan(row, *most_recent_row))
-      most_recent_row = &row;
-  }
-  return most_recent_row;
-}
-
-// Populates the |details| protobuf with information pertaining to |download|.
-void PopulateDetails(const history::DownloadRow& download,
-                     ClientIncidentReport_DownloadDetails* details) {
-  ClientDownloadRequest* download_request = details->mutable_download();
-  download_request->set_url(download.url_chain.back().spec());
-  // digests is a required field, so force it to exist.
-  // TODO(grt): Include digests in reports; http://crbug.com/389123.
-  ignore_result(download_request->mutable_digests());
-  download_request->set_length(download.received_bytes);
-  for (size_t i = 0; i < download.url_chain.size(); ++i) {
-    const GURL& url = download.url_chain[i];
-    ClientDownloadRequest_Resource* resource =
-        download_request->add_resources();
-    resource->set_url(url.spec());
-    if (i != download.url_chain.size() - 1) {  // An intermediate redirect.
-      resource->set_type(ClientDownloadRequest::DOWNLOAD_REDIRECT);
-    } else {  // The final download URL.
-      resource->set_type(ClientDownloadRequest::DOWNLOAD_URL);
-      if (!download.referrer_url.is_empty())
-        resource->set_referrer(download.referrer_url.spec());
-    }
-  }
-  download_request->set_file_basename(
-      download.target_path.BaseName().AsUTF8Unsafe());
-  download_request->set_download_type(
-      download_protection_util::GetDownloadType(download.target_path));
-  download_request->set_locale(
-      g_browser_process->local_state()->GetString(prefs::kApplicationLocale));
-
-  details->set_download_time_msec(download.end_time.ToJavaTime());
-  // Opened time is unknown for now, so use the download time if the file was
-  // opened in Chrome.
-  if (download.opened)
-    details->set_open_time_msec(download.end_time.ToJavaTime());
-}
-
-}  // namespace
-
-LastDownloadFinder::~LastDownloadFinder() {
-}
-
-// static
-scoped_ptr<LastDownloadFinder> LastDownloadFinder::Create(
-    const LastDownloadCallback& callback) {
-  scoped_ptr<LastDownloadFinder> finder(make_scoped_ptr(new LastDownloadFinder(
-      g_browser_process->profile_manager()->GetLoadedProfiles(), callback)));
-  // Return NULL if there is no work to do.
-  if (finder->profiles_.empty())
-    return scoped_ptr<LastDownloadFinder>();
-  return finder.Pass();
-}
-
-LastDownloadFinder::LastDownloadFinder() : weak_ptr_factory_(this) {
-}
-
-LastDownloadFinder::LastDownloadFinder(const std::vector<Profile*>& profiles,
-                                       const LastDownloadCallback& callback)
-    : callback_(callback), weak_ptr_factory_(this) {
-  // Observe profile lifecycle events so that the finder can begin or abandon
-  // the search in profiles while it is running.
-  notification_registrar_.Add(this,
-                              chrome::NOTIFICATION_PROFILE_ADDED,
-                              content::NotificationService::AllSources());
-  notification_registrar_.Add(this,
-                              chrome::NOTIFICATION_HISTORY_LOADED,
-                              content::NotificationService::AllSources());
-  notification_registrar_.Add(this,
-                              chrome::NOTIFICATION_PROFILE_DESTROYED,
-                              content::NotificationService::AllSources());
-
-  // Begin the seach for all given profiles.
-  std::for_each(
-      profiles.begin(),
-      profiles.end(),
-      std::bind1st(std::mem_fun(&LastDownloadFinder::SearchInProfile), this));
-}
-
-void LastDownloadFinder::SearchInProfile(Profile* profile) {
-  // Do not look in OTR profiles or in profiles that do not participate in
-  // safe browsing.
-  if (profile->IsOffTheRecord() ||
-      !profile->GetPrefs()->GetBoolean(prefs::kSafeBrowsingEnabled)) {
-    return;
-  }
-
-  // Exit early if already processing this profile. This could happen if, for
-  // example, NOTIFICATION_PROFILE_ADDED arrives after construction while
-  // waiting for NOTIFICATION_HISTORY_LOADED.
-  if (std::find(profiles_.begin(), profiles_.end(), profile) !=
-      profiles_.end()) {
-    return;
-  }
-
-  HistoryService* history_service =
-      HistoryServiceFactory::GetForProfile(profile, Profile::IMPLICIT_ACCESS);
-  // No history service is returned for profiles that do not save history.
-  if (!history_service)
-    return;
-
-  profiles_.push_back(profile);
-  if (history_service->BackendLoaded()) {
-    history_service->QueryDownloads(
-        base::Bind(&LastDownloadFinder::OnDownloadQuery,
-                   weak_ptr_factory_.GetWeakPtr(),
-                   profile));
-  }  // else wait until history is loaded.
-}
-
-void LastDownloadFinder::OnProfileHistoryLoaded(
-    Profile* profile,
-    HistoryService* history_service) {
-  if (std::find(profiles_.begin(), profiles_.end(), profile) !=
-      profiles_.end()) {
-    history_service->QueryDownloads(
-        base::Bind(&LastDownloadFinder::OnDownloadQuery,
-                   weak_ptr_factory_.GetWeakPtr(),
-                   profile));
-  }
-}
-
-void LastDownloadFinder::AbandonSearchInProfile(Profile* profile) {
-  // |profile| may not be present in the set of profiles.
-  std::vector<Profile*>::iterator it =
-      std::find(profiles_.begin(), profiles_.end(), profile);
-  if (it != profiles_.end())
-    RemoveProfileAndReportIfDone(it);
-}
-
-void LastDownloadFinder::OnDownloadQuery(
-    Profile* profile,
-    scoped_ptr<std::vector<history::DownloadRow> > downloads) {
-  // Early-exit if the history search for this profile was abandoned.
-  std::vector<Profile*>::iterator it =
-      std::find(profiles_.begin(), profiles_.end(), profile);
-  if (it == profiles_.end())
-    return;
-
-  // Find the most recent from this profile and use it if it's better than
-  // anything else found so far.
-  const history::DownloadRow* profile_best = FindMostInteresting(*downloads);
-  if (profile_best && IsMoreInterestingThan(*profile_best, most_recent_row_))
-    most_recent_row_ = *profile_best;
-
-  RemoveProfileAndReportIfDone(it);
-}
-
-void LastDownloadFinder::RemoveProfileAndReportIfDone(
-    std::vector<Profile*>::iterator it) {
-  DCHECK(it != profiles_.end());
-
-  *it = profiles_.back();
-  profiles_.resize(profiles_.size() - 1);
-
-  // Finish processing if all results are in.
-  if (profiles_.empty())
-    ReportResults();
-  // Do not touch this instance after reporting results.
-}
-
-void LastDownloadFinder::ReportResults() {
-  DCHECK(profiles_.empty());
-  if (most_recent_row_.end_time.is_null()) {
-    callback_.Run(scoped_ptr<ClientIncidentReport_DownloadDetails>());
-    // Do not touch this instance after running the callback, since it may have
-    // been deleted.
-  } else {
-    scoped_ptr<ClientIncidentReport_DownloadDetails> details(
-        new ClientIncidentReport_DownloadDetails());
-    PopulateDetails(most_recent_row_, details.get());
-    callback_.Run(details.Pass());
-    // Do not touch this instance after running the callback, since it may have
-    // been deleted.
-  }
-}
-
-void LastDownloadFinder::Observe(int type,
-                                 const content::NotificationSource& source,
-                                 const content::NotificationDetails& details) {
-  switch (type) {
-    case chrome::NOTIFICATION_PROFILE_ADDED:
-      SearchInProfile(content::Source<Profile>(source).ptr());
-      break;
-    case chrome::NOTIFICATION_HISTORY_LOADED:
-      OnProfileHistoryLoaded(content::Source<Profile>(source).ptr(),
-                             content::Details<HistoryService>(details).ptr());
-      break;
-    case chrome::NOTIFICATION_PROFILE_DESTROYED:
-      AbandonSearchInProfile(content::Source<Profile>(source).ptr());
-      break;
-    default:
-      break;
-  }
-}
-
-}  // namespace safe_browsing